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Evaluating Genetic Modifiers of Cutaneous Neurofibromas in Adults With Neurofibromatosis Type 1

Evaluating Genetic Modifiers of Cutaneous Neurofibromas in Adults With Neurofibromatosis Type 1

Status
Completed
Phases
Unknown
Study type
Observational
Source
ClinicalTrials.gov
Registry ID
NCT04941027
Enrollment
1046
Registered
2021-06-28
Start date
2021-05-07
Completion date
2025-11-24
Last updated
2025-12-02

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Neurofibromatosis 1

Brief summary

The main goal of this protocol is to develop a well-phenotyped genetic biobank to identify genetic variants associated with the heterogeneous clinical presentations of Neurofibromatosis Type 1 (NF1). This will allow for improve understanding of NF1 pathogenesis and more personalized disease management. The investigators will conduct a GWAS analysis to identify common genetic risk variants associated with the development of cutaneous neurofibromas.

Interventions

None listed

Sponsors

Johns Hopkins University
CollaboratorOTHER
University of California, San Francisco
CollaboratorOTHER
Stanford University
Lead SponsorOTHER

Study design

Observational model
CASE_ONLY
Time perspective
CROSS_SECTIONAL

Eligibility

Sex/Gender
ALL
Age
40 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* Age 40 or older. * NF type 1 diagnosed using clinical criteria. * At least one neurofibroma present at time of enrollment. * Patient able to read and understand consent form (or equivalent translation) and able to give consent. * Patient able and willing to complete all study procedures.

Design outcomes

Primary

MeasureTime frameDescription
Determination of genetic variants associated with clinical presentations of NF1.Day 1GWAS analysis will identify common genetic risk variants associated with the development of cutaneous neurofibromas in patients with NF1.

Countries

United States

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026